ITEM NAME:Cycling Motorcycle Bike Bicycle Security Anti-Theft Safety Rotor Disc Brake B7A7 Cycling Motorcycle Bike Bicycle Security Anti-Theft Safety Rotor Disc Brake B7A7 Stapler style disc lock with 6mm pin diameter for increased theft protection. Hardened steel resists cutting, sawing, freezing and chisel attacks. Mechanical lock design, extra difficult to remove without the key. Light weight and easy installation. Suitable for: Motorcycle, electromobile, bicycle. This disc lock is made of hardened steel and with mechanical lock design, which makes it extra difficult to remove without the key. Specifications: Color: Blue, Red, Black (Random Sent) Material: Steel Size: 5.7 * 4.5 * 2.5cm / 2.2 * 1.8 * 1.0in Weight: 93g / 3.3oz Package List: 1 x Disc Lock 2 x Key Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.